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Date: Thu, 15 Oct 2020 05:07:12 +1100 (AEDT)
From: James Morris <>
To: Mickaël Salaün <>
cc:, "Serge E . Hallyn" <>,
        Al Viro <>, Richard Weinberger <>,
        Andy Lutomirski <>,
        Anton Ivanov <>,
        Arnd Bergmann <>,
        Casey Schaufler <>, Jann Horn <>,
        Jeff Dike <>, Jonathan Corbet <>,
        Kees Cook <>,
        Michael Kerrisk <>,
        Shuah Khan <>,
        Vincent Dagonneau <>,,,,,,,,,
        Mickaël Salaün <>
Subject: Re: [PATCH v21 07/12] landlock: Support filesystem access-control

On Thu, 8 Oct 2020, Mickaël Salaün wrote:

> +	def_bool n
> +	help
> +	  An arch should select this symbol if it does not keep an internal kernel
> +	  state for kernel objects such as inodes, but instead relies on something
> +	  else (e.g. the host kernel for an UML kernel).
> +

This is used to disable Landlock for UML, correct? I wonder if it could be 
more specific: "ephemeral states" is a very broad term.

How about something like ARCH_OWN_INODES ?

James Morris

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